Energy-saving and emission-reducing automobile exhaust treatment device

The utility model discloses an energy-saving emission-reducing automobile exhaust treatment device, which comprises a gas inlet assembly, a filter assembly, a catalytic mechanism and an adsorption assembly, the gas inlet assembly comprises a gas inlet pipe, a sealing cover fixed outside one end part of the gas inlet pipe and communicated with the gas inlet pipe, and a first external thread arranged outside the sealing cover; the filtering assembly comprises a filtering sleeve installed outside the right end of the sealing cover, a first internal thread arranged at the left end of the interior of the filtering sleeve and matched with the first external thread, and a filtering plate installed in the middle of the interior of the filtering sleeve. The catalysis mechanism comprises a catalysis sleeve installed on the outer side of the right end of the filtering sleeve and a three-way catalyst fixed in the catalysis sleeve, and the adsorption assembly comprises an adsorption sleeve installed at the right end of th